*{margin: 0 auto;padding: 0;list-style: none;border: 0; text-align: center;}
body{background: url(../baidu/bg.jpg); -webkit-background-size: cover;
    background-size: cover;}
.logo{margin-top: 30px; display: block;}
.links{width: 740px; margin: 0 auto;}
.links a{color: #fff; margin-right: 10px;}
.search{margin-bottom: 40px; margin-top: 10px;}
.search input{width: 537px; height: 40px;}
.search button{width: 104px; height: 40px;}
.container{width: 911px;}
.menu{width: 80px; height: 318px; float: left; background: rgba(0,0,0,0.4);}
.menu span{width: 80px; height: 35px; line-height: 35px; color: #fff; display: inline-block; font-weight: bold; font-size: 14px;}
.menu span.choose{background: rgba(255,255,255,0.6) url(../baidu/menu.png);}
.card{width: 813px; height: 318px; float: right; background: rgba(255,255,255,0.6)  url(../baidu/xingzuo.png);}